1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
use std::time::SystemTime;
use httpdate::HttpDate;
use super::{Header, HeaderName};
use crate::BoxError;
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Date(HttpDate);
impl Date {
pub fn new(st: SystemTime) -> Self {
Self(st.into())
}
pub fn now() -> Self {
Self::new(SystemTime::now())
}
}
impl Header for Date {
fn name() -> HeaderName {
HeaderName::new_from_ascii_str("Date")
}
fn parse(s: &str) -> Result<Self, BoxError> {
let mut s = String::from(s);
if s.ends_with(" -0000") {
s.truncate(s.len() - "-0000".len());
s.push_str("GMT");
}
Ok(Self(s.parse::<HttpDate>()?))
}
fn display(&self) -> String {
let mut s = self.0.to_string();
if s.ends_with(" GMT") {
s.truncate(s.len() - "GMT".len());
s.push_str("-0000");
}
s
}
}
impl From<SystemTime> for Date {
fn from(st: SystemTime) -> Self {
Self::new(st)
}
}
impl From<Date> for SystemTime {
fn from(this: Date) -> SystemTime {
this.0.into()
}
}
#[cfg(test)]
mod test {
use std::time::{Duration, SystemTime};
use super::Date;
use crate::message::header::{HeaderName, Headers};
#[test]
fn format_date() {
let mut headers = Headers::new();
headers.set(Date::from(
SystemTime::UNIX_EPOCH + Duration::from_secs(784887151),
));
assert_eq!(
headers.to_string(),
"Date: Tue, 15 Nov 1994 08:12:31 -0000\r\n".to_string()
);
headers.set(Date::from(
SystemTime::UNIX_EPOCH + Duration::from_secs(784887152),
));
assert_eq!(
headers.to_string(),
"Date: Tue, 15 Nov 1994 08:12:32 -0000\r\n"
);
}
#[test]
fn parse_date() {
let mut headers = Headers::new();
headers.insert_raw(
HeaderName::new_from_ascii_str("Date"),
"Tue, 15 Nov 1994 08:12:31 -0000".to_string(),
);
assert_eq!(
headers.get::<Date>(),
Some(Date::from(
SystemTime::UNIX_EPOCH + Duration::from_secs(784887151),
))
);
headers.insert_raw(
HeaderName::new_from_ascii_str("Date"),
"Tue, 15 Nov 1994 08:12:32 -0000".to_string(),
);
assert_eq!(
headers.get::<Date>(),
Some(Date::from(
SystemTime::UNIX_EPOCH + Duration::from_secs(784887152),
))
);
}
}